Plumbing Fixture Installation
Install all plumbing fixtures throughout your home including faucets, sinks, toilets, tubs, and shower fixtures. This final connection phase brings your kitchens and bathrooms to life with functional, beautiful fixtures you selected during design.
Quick Summary
Typical Cost
$5,000 - $20,000
Time Frame
2-4 days
Difficulty
Licensed Plumber Required
Why Plumbing Fixture Installation Matters
Plumbing fixtures are touched and used multiple times every single day. Quality fixtures provide reliable performance, while cheap fixtures leak, corrode, and fail within years. The difference between a $100 faucet and a $300 faucet is not just appearance - it is years of trouble-free operation versus constant repairs.
In a whole-home remodel, you are typically installing 10-20 or more plumbing fixtures: kitchen faucet and sink, multiple bathroom faucets, toilets, tub/shower fixtures, and utility fixtures. Each one must be properly installed with tight connections, appropriate sealants, and correct valve settings to prevent leaks and ensure safety.
This is also a visual design element. Fixtures in matching finishes throughout the home create cohesion. Mixing chrome, brushed nickel, and oil-rubbed bronze randomly looks unprofessional. Choose one primary finish and carry it through bathrooms and kitchen for a polished, intentional appearance.
Step-by-Step Guide
Inventory and Inspect All Fixtures
Before scheduling installation, verify all plumbing fixtures have arrived, are the correct models, and are undamaged. Check finish consistency across all pieces. Open boxes carefully to inspect without voiding return policies.
- Unpack and inspect each fixture for shipping damage
- Verify model numbers match your specifications
- Check finish consistency across all fixtures
- Confirm all mounting hardware and supply lines are included
- Order replacements for any damaged or incorrect items
Install Kitchen Sink and Faucet
Install the kitchen sink (undermount to countertop or drop-in) and faucet with proper supply and drain connections. For undermount sinks, the countertop fabricator typically handles sink installation during countertop installation.
- Mount faucet before sink installation if drop-in
- Use plumber's putty or silicone per manufacturer specs
- Connect braided stainless supply lines to shut-offs
- Install garbage disposal if included
- Test for leaks with water running and drain in use
Install Bathroom Vanity Faucets
Install faucets on all bathroom vanities. Ensure faucet type (centerset, widespread, or single-hole) matches vanity and sink configuration. Connect supply lines and pop-up drain assemblies.
- Install faucet through countertop or sink deck
- Use flexible supply lines with proper angle stops
- Connect pop-up drain assembly and adjust stopper
- Verify hot on left, cold on right convention
- Check for leaks at all connection points
Install Toilets
Set and seal all toilets with wax or wax-free seals. Ensure proper flange height and level installation. Connect supply lines and adjust fill valves for proper tank level.
- Verify closet flange is at proper height (1/4" above floor)
- Install wax ring or wax-free seal on flange
- Set toilet on bolts and press down evenly
- Level toilet and tighten closet bolts (don't overtighten)
- Connect supply, adjust fill valve, and test flush
Install Bathtub Fixtures
Install tub spouts, handles, and drain assemblies on all bathtubs. Set temperature limits on mixing valves for safety. Test diverter operation if tub/shower combination.
- Install handles and escutcheon plates on valves
- Attach tub spout with proper thread or slip fit
- Test diverter sends water to showerhead properly
- Set anti-scald temperature limit on mixing valve
- Install drain assembly and test for leaks
Install Shower Fixtures
Mount showerheads, hand showers, body sprays, and controls in all showers. Set pressure-balancing valve adjustments. For multi-head systems, verify proper flow and switching between outlets.
- Install shower arm and head at proper height (80" typical)
- Mount hand shower slide bar if included
- Install valve trim and handles
- Adjust pressure-balancing and temperature limits
- Test all outlets for proper flow and switching
Install Shower Doors
Mount frameless or framed shower doors and enclosures after tile and fixtures are complete. Ensure proper sealing to prevent water escape. Level and plumb installation is critical for proper door operation.
- Template opening dimensions before ordering doors
- Install tracks, hinges, or clamps level and plumb
- Hang glass panels per manufacturer instructions
- Apply silicone sealant at all glass-to-tile joints
- Test door operation and water containment
Install Utility and Laundry Fixtures
Connect laundry faucets, utility sinks, outdoor hose bibs, and any other utility plumbing fixtures. Install washing machine supply box and dryer vent if not already complete.
- Install laundry box with hot/cold supply valves
- Connect utility sink faucet and drain
- Install frost-proof hose bibs at exterior locations
- Connect ice maker water supply if applicable
- Test all utility fixtures for proper operation
Test All Fixtures Thoroughly
Run water through every fixture checking for leaks, proper drainage, adequate flow, and correct temperature mixing. Test drains with standing water for slow drains. Check all supply connections under pressure.
- Run each faucet for several minutes
- Check all supply connections for drips
- Fill sinks and tubs to test drains under load
- Flush toilets multiple times
- Verify hot water reaches all fixtures promptly
Final Adjustments and Documentation
Make final adjustments to water pressure regulators, temperature limits, and any fixture settings. Clean all fixtures and remove protective films. Document all valve locations and register product warranties.
- Adjust anti-scald settings on all shower/tub valves
- Fine-tune toilet fill levels and flush performance
- Remove protective plastic from fixtures
- Clean fixtures with appropriate non-abrasive cleaners
- Register product warranties and store documentation
Fixture Quality and Price Tiers
Budget Tier
Basic fixtures for rentals or tight budgets.
- Faucets: $50-150 each
- Toilets: $150-300 each
- Brands: Glacier Bay, American Standard Basic
- Warranty: 1-5 years typically
- Durability: 3-7 years lifespan
Mid-Range Tier
Quality fixtures for most homeowners.
- Faucets: $200-500 each
- Toilets: $300-600 each
- Brands: Delta, Moen, Kohler, American Standard
- Warranty: Lifetime on most parts
- Durability: 10-20+ years
Premium Tier
High-end fixtures for luxury applications.
- Faucets: $500-1,500+ each
- Toilets: $600-2,000+ each
- Brands: Grohe, Hansgrohe, Brizo, TOTO
- Warranty: Lifetime comprehensive
- Durability: 20+ years
Luxury Tier
Designer and specialty fixtures.
- Faucets: $1,500-5,000+ each
- Toilets: $2,000-10,000+ each
- Brands: Waterworks, Dornbracht, KALLISTA
- Features: Bidet seats, touchless, custom finishes
- Durability: Heirloom quality
Cost Breakdown (3 Full Bath, 1 Half Bath Home)
| Fixture | Quantity | Fixture Cost | Installation |
|---|---|---|---|
| Kitchen Faucet | 1 | $250-600 | $150-250 |
| Kitchen Sink | 1 | $300-800 | Incl. w/countertop |
| Bathroom Faucets | 4 | $800-2,000 | $400-600 |
| Toilets | 4 | $1,200-2,400 | $400-600 |
| Tub/Shower Valves | 3 | $600-1,800 | $300-500 |
| Showerheads | 3 | $150-600 | Incl. above |
| Shower Doors | 2 | $800-3,000 | $400-800 |
| Garbage Disposal | 1 | $200-500 | $150-250 |
| Laundry/Utility | 1 set | $150-350 | $150-250 |
| Total | - | $4,450-12,050 | $1,950-3,250 |
Pro Tips
Choose Consistent Finishes
Select one finish (brushed nickel, chrome, matte black) for all visible fixtures throughout the home. Mixing finishes looks unintentional and sloppy. Match towel bars, cabinet hardware, and lighting to plumbing finish.
Invest in Kitchen Faucet
You use the kitchen faucet 50+ times daily. Spend more here than on bathroom faucets. Features like pull-down spray, touch-on activation, and quality construction make daily life easier. Budget $350-600 minimum.
Use Braided Supply Lines
Braided stainless steel supply lines resist bursting better than plastic or corrugated chrome. Replace any old supply lines during fixture installation. This $10 upgrade prevents catastrophic flooding.
Set Anti-Scald Limits
All shower and tub valves have adjustable temperature limits. Set maximum temperature to 120F to prevent scalding, especially with children or elderly in the home. This is a code requirement in many areas.
Consider Touchless Options
Touchless faucets in kitchens and bathrooms are more hygienic and convenient. Quality touchless faucets from Delta, Moen, or Kohler cost $400-600 and work reliably. Avoid ultra-cheap touchless options.
Choose Comfort Height Toilets
Comfort height toilets (17-19" seat height) are easier for most adults to use compared to standard 15" height. They are ADA-compliant and becoming the default choice. Worth the small price premium for daily comfort.
Common Mistakes to Avoid
Overtightening Connections
Over-tightening supply lines cracks fittings and causes leaks. Toilet closet bolts crack porcelain when over-tightened. Hand-tight plus 1/4 turn is usually sufficient. More torque causes more problems than it solves.
Skipping Leak Testing
Every connection must be tested under pressure. Run water for several minutes and check every joint with dry hands or paper towel. Small drips become major water damage. Test, don't assume.
Wrong Faucet for Sink
Widespread faucets require three separate holes 8" apart. Centerset faucets use a 4" center plate. Single-hole faucets need only one hole. Verify sink configuration matches faucet before purchasing.
Improper Toilet Seal
Toilets must seal properly to the flange. Wrong-size wax ring, improper flange height, or rocking toilets cause sewer gas and water leaks. Ensure the toilet is level and doesn't rock before tightening bolts.
Buying Cheap Fixtures
Budget fixtures fail quickly and require replacement within 3-5 years. The $50 faucet that drips, sticks, and looks worn costs more in aggravation and replacement than a $250 quality faucet that lasts 15+ years.
Frequently Asked Questions
What is the best faucet brand for quality and durability?
Delta, Kohler, and Moen are the most reliable mainstream brands with excellent warranties (lifetime for Delta and Moen, limited lifetime for Kohler). For higher-end options, Grohe, Hansgrohe, and Brizo offer premium quality and design. Avoid big-box house brands for frequently used fixtures - the savings are not worth the hassle of replacement.
Should I use a wax ring or wax-free seal for toilets?
Traditional wax rings have been the standard for decades and work well when installed correctly. Wax-free seals (like Fluidmaster Better Than Wax) are easier to install, reusable if you need to reset the toilet, and do not deform under pressure. Wax-free is recommended for DIY installation. Either works professionally - consistency in technique matters more than seal type.
What is the difference between widespread and centerset faucets?
Centerset faucets have handles and spout mounted on a single base plate with standard 4-inch spacing - easy to install on standard vanities. Widespread faucets have separate spout and handles installed individually, typically 8-16 inches apart, requiring more countertop space and three separate holes. Widespread looks more upscale but requires proper sink/vanity sizing.
How do I choose between comfort height and standard toilets?
Standard toilets are 14-15 inches from floor to seat. Comfort height (ADA compliant) toilets are 17-19 inches, similar to chair height, easier for adults to use. Comfort height is recommended for most adults and required for ADA compliance. Standard height may be better for homes with young children. Consider who uses each bathroom when selecting.
Should I install water pressure regulators on fixtures?
Most fixtures do not need individual regulators if whole- house pressure is 40-80 PSI. If pressure exceeds 80 PSI, install a whole-house regulator at the main line to protect all fixtures and pipes. Shower valves should have pressure- balancing or thermostatic cartridges to prevent scalding regardless of line pressure.